/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* Copyright by the Board of Trustees of the University of Illinois. *
* All rights reserved. *
* *
* This file is part of HDF5. The full HDF5 copyright notice, including *
* terms governing use, modification, and redistribution, is contained in *
* the COPYING file, which can be found at the root of the source code *
* distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*keep this declaration near the top of this file -RPM*/
static const char *FileHeader = "\n\
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\n\
* Copyright by The HDF Group. *\n\
* Copyright by the Board of Trustees of the University of Illinois. *\n\
* All rights reserved. *\n\
* *\n\
* This file is part of HDF5. The full HDF5 copyright notice, including *\n\
* terms governing use, modification, and redistribution, is contained in *\n\
* the COPYING file, which can be found at the root of the source code *\n\
* distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases. *\n\
* If you do not have access to either file, you may request a copy from *\n\
* help@hdfgroup.org. *\n\
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *";
/*
* Purpose: Generate the H5libsettings.c file from the
* libhdf5.settings file.
*
*-------------------------------------------------------------------------
*/
#include <stdio.h>
#include <time.h>
#include "H5private.h"
/* Do NOT use HDfprintf in this file as it is not linked with the library,
* which contains the H5system.c file in which the function is defined.
*/
#define LIBSETTINGSFNAME "libhdf5.settings"
FILE *rawoutstream = NULL;
/*-------------------------------------------------------------------------
* Function: insert_libhdf5_settings
*
* Purpose: insert the contents of libhdf5.settings into a file
* represented by flibinfo.
* Make it an empty string if H5_HAVE_EMBEDDED_LIBINFO is not
* defined, i.e., not enabled.
*
* Return: void
*-------------------------------------------------------------------------
*/
static void
insert_libhdf5_settings(FILE *flibinfo)
{
#ifdef H5_HAVE_EMBEDDED_LIBINFO
FILE *fsettings; /* for files libhdf5.settings */
int inchar;
int bol = 0; /* indicates the beginning of a new line */
if(NULL == (fsettings = HDfopen(LIBSETTINGSFNAME, "r"))) {
HDperror(LIBSETTINGSFNAME);
HDexit(EXIT_FAILURE);
} /* end if */
/* print variable definition and the string */
/* Do not use const else AIX strings does not show it. */
fprintf(flibinfo, "char H5libhdf5_settings[]=\n");
bol++;
while(EOF != (inchar = HDgetc(fsettings))) {
if(bol) {
/* Start a new line */
fprintf(flibinfo, "\t\"");
bol = 0;
} /* end if */
if(inchar == '\n') {
/* end of a line */
fprintf(flibinfo, "\\n\"\n");
bol++;
} /* end if */
else
HDputc(inchar, flibinfo);
} /* end while */
if(HDfeof(fsettings)) {
/* wrap up */
if(!bol)
/* EOF found without a new line */
fprintf(flibinfo, "\\n\"\n");
fprintf(flibinfo, ";\n\n");
} /* end if */
else {
fprintf(stderr, "Read errors encountered with %s\n", LIBSETTINGSFNAME);
HDexit(EXIT_FAILURE);
} /* end else */
if(0 != HDfclose(fsettings)) {
HDperror(LIBSETTINGSFNAME);
HDexit(EXIT_FAILURE);
} /* end if */
#else
/* print variable definition and an empty string */
/* Do not use const else AIX strings does not show it. */
fprintf(flibinfo, "char H5libhdf5_settings[]=\"\";\n");
#endif
} /* insert_libhdf5_settings() */
/*-------------------------------------------------------------------------
* Function: make_libinfo
*
* Purpose: Create the embedded library information definition.
* This sets up for a potential extension that the declaration
* is printed to a file different from stdout.
*
* Return: void
*-------------------------------------------------------------------------
*/
static void
make_libinfo(void)
{
/* print variable definition and then the string as a macro. */
insert_libhdf5_settings(rawoutstream);
}
/*-------------------------------------------------------------------------
* Function: print_header
*
* Purpose: Prints the header for the generated file.
*
* Return: void
*-------------------------------------------------------------------------
*/
static void
print_header(void)
{
time_t now = HDtime(NULL);
struct tm *tm = HDlocaltime(&now);
char real_name[30];
char host_name[256];
int i;
const char *s;
#ifdef H5_HAVE_GETPWUID
struct passwd *pwd = NULL;
#else
int pwd = 1;
#endif
static const char *month_name[] =
{
"Jan", "Feb", "Mar", "Apr", "May", "Jun",
"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
static const char *purpose = "\
This machine-generated source code contains\n\
information about the library build configuration\n";
/*
* The real name is the first item from the passwd gecos field.
*/
#ifdef H5_HAVE_GETPWUID
{
size_t n;
char *comma;
if((pwd = HDgetpwuid(HDgetuid()))) {
if((comma = HDstrchr(pwd->pw_gecos, ','))) {
n = MIN(sizeof(real_name) - 1, (unsigned)(comma - pwd->pw_gecos));
HDstrncpy(real_name, pwd->pw_gecos, n);
real_name[n] = '\0';
} /* end if */
else {
HDstrncpy(real_name, pwd->pw_gecos, sizeof(real_name));
real_name[sizeof(real_name) - 1] = '\0';
} /* end else */
} /* end if */
else
real_name[0] = '\0';
}
#else
real_name[0] = '\0';
#endif
/*
* The FQDM of this host or the empty string.
*/
#ifdef H5_HAVE_GETHOSTNAME
if(HDgethostname(host_name, sizeof(host_name)) < 0)
host_name[0] = '\0';
#else
host_name[0] = '\0';
#endif
/*
* The file header: warning, copyright notice, build information.
*/
fprintf(rawoutstream, "/* Generated automatically by H5make_libsettings -- do not edit */\n\n\n");
HDfputs(FileHeader, rawoutstream); /*the copyright notice--see top of this file */
fprintf(rawoutstream, " *\n * Created:\t\t%s %2d, %4d\n",
month_name[tm->tm_mon], tm->tm_mday, 1900 + tm->tm_year);
if(pwd || real_name[0] || host_name[0]) {
fprintf(rawoutstream, " *\t\t\t");
if(real_name[0])
fprintf(rawoutstream, "%s <", real_name);
#ifdef H5_HAVE_GETPWUID
if(pwd)
HDfputs(pwd->pw_name, rawoutstream);
#endif
if(host_name[0])
fprintf(rawoutstream, "@%s", host_name);
if(real_name[0])
fprintf(rawoutstream, ">");
HDfputc('\n', rawoutstream);
} /* end if */
fprintf(rawoutstream, " *\n * Purpose:\t\t");
for(s = purpose; *s; s++) {
HDfputc(*s, rawoutstream);
if('\n' == *s && s[1])
fprintf(rawoutstream, " *\t\t\t");
} /* end for */
fprintf(rawoutstream, " *\n * Modifications:\n *\n");
fprintf(rawoutstream, " *\tDO NOT MAKE MODIFICATIONS TO THIS FILE!\n");
fprintf(rawoutstream, " *\tIt was generated by code in `H5make_libsettings.c'.\n");
fprintf(rawoutstream, " *\n *");
for(i = 0; i < 73; i++)
HDfputc('-', rawoutstream);
fprintf(rawoutstream, "\n */\n\n");
}
/*-------------------------------------------------------------------------
* Function: print_footer
*
* Purpose: Prints the file footer for the generated file.
*
* Return: void
*-------------------------------------------------------------------------
*/
static void
print_footer(void)
{
/* nothing */
}
/*-------------------------------------------------------------------------
* Function: main
*
* Purpose: Main entry point.
*
* Return: Success: EXIT_SUCCESS
*-------------------------------------------------------------------------
*/
int
main(int argc, char *argv[])
{
char *fname = NULL;
FILE *f; /* temporary holding place for the stream pointer
* so that rawoutstream is changed only when succeeded
*/
if(argc > 1)
fname = argv[1];
/* First check if filename is string "NULL" */
if(fname != NULL) {
/* binary output */
if((f = HDfopen(fname, "w")) != NULL)
rawoutstream = f;
}
if(!rawoutstream)
rawoutstream = stdout;
print_header();
/* Generate embedded library information variable definition */
make_libinfo();
print_footer();
if(rawoutstream && rawoutstream != stdout) {
if(HDfclose(rawoutstream))
fprintf(stderr, "closing rawoutstream");
else
rawoutstream = NULL;
}
HDexit(EXIT_SUCCESS);
}